#include "config.h"
#include "SVGImageCache.h"
#if ENABLE(SVG)
#include "FrameView.h"
#include "GraphicsContext.h"
#include "ImageBuffer.h"
#include "Page.h"
#include "RenderSVGRoot.h"
#include "SVGImage.h"
#include "SVGImageForContainer.h"
namespace WebCore {
SVGImageCache::SVGImageCache(SVGImage* svgImage)
: m_svgImage(svgImage)
{
ASSERT(m_svgImage);
}
SVGImageCache::~SVGImageCache()
{
m_imageForContainerMap.clear();
}
void SVGImageCache::removeClientFromCache(const CachedImageClient* client)
{
ASSERT(client);
if (m_imageForContainerMap.contains(client))
m_imageForContainerMap.remove(client);
}
void SVGImageCache::setContainerSizeForRenderer(const CachedImageClient* client, const IntSize& containerSize, float containerZoom)
{
ASSERT(client);
ASSERT(!containerSize.isEmpty());
ASSERT(containerZoom);
FloatSize containerSizeWithoutZoom(containerSize);
containerSizeWithoutZoom.scale(1 / containerZoom);
m_imageForContainerMap.set(client, SVGImageForContainer::create(m_svgImage, containerSizeWithoutZoom, containerZoom));
}
IntSize SVGImageCache::imageSizeForRenderer(const RenderObject* renderer) const
{
IntSize imageSize = m_svgImage->size();
if (!renderer)
return imageSize;
ImageForContainerMap::const_iterator it = m_imageForContainerMap.find(renderer);
if (it == m_imageForContainerMap.end())
return imageSize;
RefPtr<SVGImageForContainer> imageForContainer = it->value;
ASSERT(!imageForContainer->size().isEmpty());
return imageForContainer->size();
}
Image* SVGImageCache::imageForRenderer(const RenderObject* renderer)
{
if (!renderer)
return Image::nullImage();
ImageForContainerMap::iterator it = m_imageForContainerMap.find(renderer);
if (it == m_imageForContainerMap.end())
return Image::nullImage();
RefPtr<SVGImageForContainer> imageForContainer = it->value;
ASSERT(!imageForContainer->size().isEmpty());
return imageForContainer.get();
}
}
#endif // ENABLE(SVG)